Covey, S. R. (1991). Principle-centered leadership. London: Simon & Schuster.
Chicago Style CitationCovey, Stephen R. Principle-centered Leadership. London: Simon & Schuster, 1991.
MLA CitationCovey, Stephen R. Principle-centered Leadership. London: Simon & Schuster, 1991.
Warning: These citations may not always be 100% accurate.